/*
 * Copyright 2018 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.language.cpp


import org.gradle.nativeplatform.fixtures.AbstractInstalledToolChainIntegrationSpec

class CppSystemHeaderDiscoveryIntegrationTest extends AbstractInstalledToolChainIntegrationSpec {

    def "discovers C and C++ standard library headers"() {
        def outputFile = file("dirs.txt")
        buildFile << """
            plugins { id 'cpp-application' }
            task sysHeaders {
                def out = file("${outputFile.toURI()}")
                def headers = provider { tasks.compileDebugCpp.systemIncludes }
                doLast {
                    out.text = headers.get().join('\\n')
                }
            }
        """

        when:
        succeeds("sysHeaders")

        then:
        def dirs = outputFile.readLines()
        !dirs.empty
        dirs.find { dir -> new File(dir, "stdio.h").file }
        dirs.find { dir -> new File(dir, "iostream").file }
    }
}
